Siti Adiyati Subangun (born 2 October 1951), often just known as Siti Adiyati, is a prolific Indonesian Contemporary artist, historically significant as one of the founding members of the Indonesian New Art Movement (Indonesian: Gerakan Seni Rupa Baru (GSRB)) from 1975 to 1979. She is notable as one of the few women artists involved with the GSRB, alongside , with most of the individuals behind the movement being young male artists from Bandung, Jakarta, and Yogyakarta. In her practice as an artist, educator, writer, and activist, Siti Adiyati examines issues of social inequality, environmental degradation, and bureaucratic corruption.